/**
 * Copyright 2010 - 2017 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package jetbrains.exodus.entitystore;

import org.jetbrains.annotations.NotNull;

public class ReadonlyPersistentStoreTransaction extends PersistentStoreTransaction {

    ReadonlyPersistentStoreTransaction(@NotNull final PersistentEntityStoreImpl store) {
        super(store, TransactionType.Readonly);
    }

    @Override
    public boolean isIdempotent() {
        if (!super.isIdempotent()) {
            throw new IllegalStateException("ReadonlyPersistentStoreTransaction should be idempotent");
        }
        return true;
    }

    public PersistentStoreTransaction getUpgradedTransaction() {
        return new PersistentStoreTransaction(this, TransactionType.Regular);
    }
}
